The server's manual recommends filling the drive bays in the 1,2,3,4 order. At this point, you should check the HP support page for the server, Look for controller firmware updates, BIOS updates, troubleshooting advice and so on.
Did you try to connect the drive alone? If it is detected alone, you will have a clue there. Some drives don't go along with some others when installed in the same pair of ports, for example.
I would also suspect the cable. I have had more problems with SATA cables than I could expect.
Also, the drive itself can be defective. I once received two new WD high end drives that couldn't be detected by any controller and I had to return them. The new ones worked fine.
Miguel Medalha wrote:
Also, the drive itself can be defective. I once received two new WD high end drives that couldn't be detected by any controller and I had to return them. The new ones worked fine.
Thanks for all your help, and to the others who advised me.
I found that the drive worked in the end - I'm not sure what did the trick, I sprayed the contacts with Contact Cleaner, changed the drive to a different bay, took the drive out of its tray and re-installed it using Torx screws (though I'm sure the last made no difference).
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Miguel Medalha -
Timothy Murphy